Engineers race to build a city made of snow and ice in a record-breaking 15 days, and to accomplish this herculean task, they use cutting-edge tech and the latest construction methods to turn 110,000 tons of ice into an extraordinary super city.

The crew constructs a treetop retreat from salvaged materials in Oahu, HI.

The guys build a spacious farmhouse up in the trees of Texas.

The guys build a masterful treehouse for a master tree climber in Oregon.

The guys build a majestic treehouse in a ring of redwoods in California.

The guys build a romantic treehouse retreat for a sushi chef in Oregon.

The Treehouse Guys respond to a treehouse emergency in Florida.

The Treehouse Guys tackle a treehouse for some special kids.

The Treehouse Guys get techie in this new-school build.

The Treehouse Guys face a challenge on the Suwannee River.

The Treehouse Guys build a modern treetop getaway in California.

The guys build a special anniversary treehouse for one of their own.

The Treehouse Guys build a tricked-out tree house in Blue Ridge, Georgia.

The guys drop by Coeur d'Alene, Idaho, for a treehouse build with a view.

The guys land in Richmond, VA, to build a treehouse on a historic farm.

The guys build a Western-themed treehouse at an Oregon vineyard.